SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 0.75 mM RNA duplex, 80 mM NaCl, 0.5 mM Na2EDTA, 10 mM sodium phosphate, pH 5.5, 90% H2O, 10%D2O | 90% H2O/10% D2O | 5.5 | 283 | |||
| 2 | DQF-COSY | 0.75 mM RNA duplex, 80 mM NaCl, 0.5 mM Na2EDTA, 10 mM sodium phosphate, pH 5.5, 90% H2O, 10%D2O | 90% H2O/10% D2O | 5.5 | 283 | |||
| 3 | NATURAL ABUNDANCE 13C-1H AND 15N-1H HSQC | 0.75 mM RNA duplex, 80 mM NaCl, 0.5 mM Na2EDTA, 10 mM sodium phosphate, pH 5.5, 90% H2O, 10%D2O | 90% H2O/10% D2O | 5.5 | 283 | |||
| 4 | 31P-1H HETCOR | 0.75 mM RNA duplex, 80 mM NaCl, 0.5 mM Na2EDTA, 10 mM sodium phosphate, pH 5.5, 90% H2O, 10%D2O | 90% H2O/10% D2O | 5.5 | 283 | |||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing and restrained molecular dynamics | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 30 |
| Conformers Submitted Total Number | 15 |
| Representative Model | 1 (lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | natural abundance 13C-1H HSQC, 15N-1H HSQC |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CNS | 1.1 | Brunger et al. |
| 2 | processing | NMRPipe | Delaglio et al. | |
| 3 | data analysis | Sparky | 3 | Goddard et al. |
| 4 | refinement | CNS | 1.1 | Brunger et al. |














